// ============================================================================
//
// Copyright (C) 2006-2007 Dengues
//
// Google Group: http://groups.google.com/group/dengues
// QQ Group: 24885404
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
//
// ============================================================================
package org.dengues.warehouse.viewers.action;

import org.dengues.commons.IDenguesSharedImage;
import org.dengues.commons.utils.ImageUtil;
import org.dengues.core.actions.AbstractAction;
import org.dengues.core.resource.WarehouseResourceFactory;
import org.dengues.core.warehouse.ENavNodeType;
import org.dengues.core.warehouse.IWarehouseNode;
import org.dengues.warehouse.i18n.Messages;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.swt.widgets.Shell;

/**
 * Qiang.Zhang.Adolf@gmail.com class global comment. Detailled comment <br/>
 * 
 * $Id: Dengues.epf 2008-1-7 qiang.zhang $
 * 
 */
public class DeleteForeverAction extends AbstractAction {

    /**
     * qzhang DeleteAction constructor comment.
     */
    public DeleteForeverAction() {
        super(Messages.getString("DeleteForeverAction.Label")); //$NON-NLS-1$
        setImageDescriptor(ImageUtil.getDescriptor(IDenguesSharedImage.ACTION_DBREMOVE));
    }

    /*
     * (non-Javadoc)
     * 
     * @see org.eclipse.jface.action.Action#run()
     */
    @Override
    public void run() {
        if (pnodes != null) {
            Boolean confirm = (MessageDialog
                    .openQuestion(
                            new Shell(),
                            Messages.getString("DeleteForeverAction.Confirm.Title"), Messages.getString("DeleteForeverAction.Confirm.Info"))); //$NON-NLS-1$ //$NON-NLS-2$
            if (confirm) {
                for (IWarehouseNode node : pnodes) {
                    node.setBin(true);
                    WarehouseResourceFactory.deleteObjectPhysical(node.getObject());
                    refresh(node.getParent());
                }
            }
        }
    }

    /*
     * (non-Javadoc)
     * 
     * @see org.dengues.core.actions.AbstractAction#getLevel()
     */
    @Override
    public int getLevel() {
        return 402;
    }

    /*
     * (non-Javadoc)
     * 
     * @see org.dengues.core.actions.AbstractAction#computeEnable()
     */
    @Override
    protected boolean computeEnable() {
        boolean isEnable = true;
        if (pnodes != null) {
            for (IWarehouseNode node : pnodes) {
                boolean c = ENavNodeType.SYSTEM_FOLDER != node.getNodeType() && node.isBin();
                if (!c) {
                    isEnable = false;
                }
            }
        }
        return isEnable;
    }

}
